From: Andreas Sundstrom <sunkan+lists.xen-devel@zappa.cx>
To: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>,
"Ian Campbell" <ian.campbell@citrix.com>,
grub-devel@gnu.org
Cc: xen-devel@lists.xen.org
Subject: Re: [Xen-devel] [BUG] XEN domU crash when PV grub chainloads 32-bit domU grub
Date: Fri, 22 Jan 2016 18:44:34 +0100 [thread overview]
Message-ID: <56A26A82.1070600@zappa.cx> (raw)
In-Reply-To: <56A226F8.3020301@gmail.com>
On 2016-01-22 13:56, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> On 22.09.2015 10:53, Ian Campbell wrote:
>> Hi Vladimir & grub-devel,
>>
>> Do you have any thoughts on this issue with i386 pv-grub2?
>>
> Is it still an issue? If so I'll try to replicate it. From stack dump I
> see that it has jumped to NULL. GRUB has no threads so it's not a race
> condition with itself but may be one with some Xen part. An altrnative
> possibility is that grub forgets to flush cache at some point in boot
> process.
I can still reproduce the issue.
I don't think much has changed in my setup since the report.
I run the current version of Xen and GRUB from Debian stable.
/Andreas
WARNING: multiple messages have this Message-ID (diff)
From: Andreas Sundstrom <sunkan+lists.xen-devel@zappa.cx>
To: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>,
"Ian Campbell" <ian.campbell@citrix.com>,
grub-devel@gnu.org
Cc: xen-devel@lists.xen.org
Subject: Re: [BUG] XEN domU crash when PV grub chainloads 32-bit domU grub
Date: Fri, 22 Jan 2016 18:44:34 +0100 [thread overview]
Message-ID: <56A26A82.1070600@zappa.cx> (raw)
In-Reply-To: <56A226F8.3020301@gmail.com>
On 2016-01-22 13:56, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> On 22.09.2015 10:53, Ian Campbell wrote:
>> Hi Vladimir & grub-devel,
>>
>> Do you have any thoughts on this issue with i386 pv-grub2?
>>
> Is it still an issue? If so I'll try to replicate it. From stack dump I
> see that it has jumped to NULL. GRUB has no threads so it's not a race
> condition with itself but may be one with some Xen part. An altrnative
> possibility is that grub forgets to flush cache at some point in boot
> process.
I can still reproduce the issue.
I don't think much has changed in my setup since the report.
I run the current version of Xen and GRUB from Debian stable.
/Andreas
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next prev parent reply other threads:[~2016-01-22 21:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-21 20:03 [BUG] XEN domU crash when PV grub chainloads 32-bit domU grub Andreas Sundstrom
2015-09-22 7:22 ` Andrew Cooper
2015-09-22 8:52 ` Ian Campbell
2015-09-22 13:26 ` Andreas Sundstrom
2015-09-22 8:53 ` [Xen-devel] " Ian Campbell
2016-01-22 12:56 ` Vladimir 'φ-coder/phcoder' Serbinenko
2016-01-22 12:56 ` [Xen-devel] " Vladimir 'φ-coder/phcoder' Serbinenko
2016-01-22 13:01 ` Andrew Cooper
2016-01-22 13:01 ` [Xen-devel] " Andrew Cooper
2016-01-22 13:08 ` Vladimir 'φ-coder/phcoder' Serbinenko
2016-01-22 13:43 ` Andrew Cooper
2016-01-22 13:43 ` [Xen-devel] " Andrew Cooper
2016-01-22 13:08 ` Vladimir 'φ-coder/phcoder' Serbinenko
2016-01-22 17:44 ` Andreas Sundstrom [this message]
2016-01-22 17:44 ` Andreas Sundstrom
2015-09-22 8:53 ` Ian Campbell
2015-09-22 22:37 ` Samuel Thibault
2015-09-23 8:34 ` Ian Campbell
2015-09-23 12:47 ` Andreas Sundstrom
2015-09-23 14:18 ` Ian Campbell
2015-09-24 17:28 ` Andreas Sundstrom
2015-09-25 8:36 ` Ian Campbell
2015-09-25 13:23 ` Andreas Sundstrom
2015-09-23 8:37 ` Andreas Sundstrom
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